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Trey t 47a7871c38 Add 13 new grammar notes with 1010 exercises from video extraction

Scraped a 4h Spanish fundamentals YouTube video (transcript + OCR on
14810 frames), extracted structured content across 52 chapters, and
generated fill-in-the-blank quizzes for every grammar topic.

- 13 new GrammarNote entries (articles, possessives, demonstratives,
  greetings, poder, al/del, prepositional pronouns, irregular yo,
  stem-changing, stressed possessives, present/future perfect, present
  indicative conjugation)
- 1010 generated exercises across all 36 grammar notes (new + existing)
- Fix tense guide parser to handle unnumbered *Usages* blocks
- Rewrite 6 broken tense guide bodies (imperative, subj pluperfect,
  subj future) with numbered usage format
- Bump courseDataVersion 5→6 with TenseGuide refresh on upgrade
- Add docs/spanish-fundamentals/ with raw transcripts, polished notes,
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2026-04-16 08:40:05 -05:00

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50. Present Perfect Subjunctive

Source: A Complete Guide To Every Fundamental In Spanish

The present perfect subjunctive expresses what someone has done or what has happened, in the subjunctive form. It uses the present subjunctive of haber (haya, hayas, haya, hayamos, hayáis, hayan) plus a past participle, and is triggered by the same W.E.I.R.D. conditions as the regular present subjunctive.

Key Rules

Form: present subjunctive of haber + past participle.
The whole sentence must stay in the present — main clause in present indicative, subordinate clause in present perfect subjunctive.
Same W.E.I.R.D. triggers as the present subjunctive.
haber + past participle is inseparable: negatives and object pronouns go before haya.
One of the least-used subjunctives — more useful to recognize than to actively produce.

Conjugation / Pattern Tables

Auxiliary `haber` (present subjunctive)

Pronoun	Form
yo	haya
tú	hayas
él/ella	haya
nosotros	hayamos
vosotros	hayáis
ellos	hayan

Pattern

haya / hayas / haya / hayamos / hayáis / hayan + past participle (hablado, comido, vivido, dicho, hecho, escrito, visto, resuelto, dado, pasado, venido, estudiado, dormido).

Examples

Spanish	English
Yo espero que tú hayas dormido bien.	I hope that you have slept well.
Yo estoy feliz de que él haya dicho la verdad.	I am happy that he has told the truth.
No creemos que tú hayas comido mucho.	We don't believe that you have eaten a lot.
Es posible que hayamos hecho algo malo.	It's possible that we have done something bad.
Es imposible que ellos hayan escrito un libro.	It's impossible that they have written a book.
Yo espero que tú hayas resuelto el problema.	I hope that you have resolved the problem.
Tú esperas que él haya estudiado para la prueba.	You hope that he has studied for the test.
Es triste que él no lo haya pasado.	It's sad that he has not passed it.
Ella duda que hayamos venido tan rápido.	She doubts that we have come so fast.
Ellos están preocupados de que tú los hayas visto.	They are worried that you have seen them.
Es una lástima que ellos no me lo hayan dado.	It's a shame that they have not given it to me.

Notes & Gotchas

Both clauses must be present; mixing tenses kills the trigger (Yo espero que tú dormiste bien is ungrammatical — must be hayas dormido).
Negatives + object pronouns stack before haya: no me lo hayan dado.
Common irregular past participles to memorize: dicho (decir), hecho (hacer), escrito (escribir), visto (ver), puesto (poner), vuelto (volver), resuelto (resolver), roto (romper), abierto (abrir).

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